Home / 727,729.20-1,091,593.80-698,698.80

Finding the Fourth Proportional to 727,729.20, 1,091,593.80 and 698,698.80

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Solution

The fourth proportional to 727,729.20, 1,091,593.80 and 698,698.80 is: 1,048,048.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,729.20 : 1,091,593.80 = 698,698.80 : x
  2. Step 2: Convert to fraction form
    727,729.20/1,091,593.80 = 698,698.80/x
  3. Step 3: Cross multiply
    727,729.20x = 1,091,593.80 × 698,698.80
  4. Step 4: Simplify right side
    727,729.20x = 762,695,278,147.44
  5. Step 5: Solve for x
    x = 762,695,278,147.44/727,729.20
  6. Step 6: Final answer
    x = 1,048,048.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.